body {
    background-size: 100%;
}

#mySection {
    position: fixed;
    overflow: hidden;
    top: 100px;
    left: 200px;
    bottom: 25px;
    right: 0;
}

#myFrame {
    border: none;
    width: 100%;
    height: 100%;
}

nav ul {
    padding: 0;
}

nav a {
    outline: none;
}